the lopez family has filed a federal civil rights lawsuit. this as the police department continues to investigate exactly what happened. its findings will be turned over to the district attorney and the district attorney will decide whether a crime was committed. alex savidge, ktvu channel 2 news. >>> later today, the senate is expected to vote on whether to renew a ban on plastic guns that can evade metal detectors. the 25-year-old ban is due to expire at midnight. today's vote is on extending the ban for ten more years. last week, the house voted to approve the extension. >>> the main library is increasing security after a string of problems after a recent attack. in september, a 61-year-old man was hit in the head by a chair while using a library computer. there have been complaints about bathroom conditions, people using drugs and found sleeping in the library. in response, the library plans to higher more security guards and cuss toldian and increase -- custodians and increase the hours of the part-time employee. >>> state and local lawm